Unless you are above a certain age, the only time you may have seen a slide rule (or a slip stick, as we sometimes called them) is in the movies. You might have missed it, but slide rules show up ...

Musicians simply must know their scales and he came up with a papercraft slide rule for major and minor scales. The system is very easy to use. He’s uploaded PDF files that let you print out the ...

Ollech & Wajs revived its "computer" watch from the 1960s, offering further proof that this underrated watch feature is ...

Primarily for multiplication and division, the slide rule has two stationary sets and one sliding set of numbers in the center. To multiply, numbers are added; to divide, numbers are subtracted.

Firms in the United States, Europe, and Japan made millions of the objects, and slide rule cases that attached to a belt loop were as common a sight on the hips of technical students in the 1950s and ...

The slide rule was the evelution of Napier's Rods (or bones) which where used for multiplication. Before the electronic calculator, in 1974, the slide rule was used by scientists and students to ...